/*
 * Copyright 2006 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */


#ifndef SkStrokerPriv_DEFINED
#define SkStrokerPriv_DEFINED

#include "src/core/SkStroke.h"

#define CWX(x, y) (-y)
#define CWY(x, y) (x)
#define CCWX(x, y) (y)
#define CCWY(x, y) (-x)

#define CUBIC_ARC_FACTOR ((SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3)

// this enables a global which is not thread-safe; doing so triggers a TSAN error in Chrome tests.
#define QUAD_STROKE_APPROX_EXTENDED_DEBUGGING 0 // set to 1 to enable debugging in StrokerTest.cpp

class SkStrokerPriv {
public:
    typedef void (*CapProc)(SkPath *path, const SkPoint &pivot, const SkVector &normal, const SkPoint &stop,
        SkPath *otherPath);

    typedef void (*JoinProc)(SkPath *outer, SkPath *inner, const SkVector &beforeUnitNormal, const SkPoint &pivot,
        const SkVector &afterUnitNormal, SkScalar radius, SkScalar invMiterLimit, bool prevIsLine, bool currIsLine);

    static CapProc CapFactory(SkPaint::Cap);
    static JoinProc JoinFactory(SkPaint::Join);
};

#endif
